Lightweight, quick and powerful- Experience it all on the E-Rupt 4.0. The Bafang motor technology with a responsive LCD display and 36V Integrated Panasonic Battery Cell delivers instantaneous power. Stay in control on off-road terrain with a lightweight 6061 alloy frame and XDS suspension forks. Dominate every ride with S-Ride 9-Speed drivetrain and responsive Tektro disc brakes bringing you to a quick stop at any moment.